I use a rope cocker,I bought 2 barker bolts yesterday, I used to use hortons carbon but two of them broke whenI was practicing so they where not that good, Now I lost my manual How do you use the Dial-A-Range? to me I thinkI wouldnt trust that dial a range thing but thats just me.I use a walther red dot on it. But I finally got it accurate last night took me for ever